Break the Decisive Battle! Delmo Base!

Agent Aika · Episode 7 · “Break the Decisive Battle! Delmo Base!”

A catastrophic earthquake has left Tokyo, and most of the Earth for that matter, under the sea. Aika is a salvager who retrieves various remains from the watery ruins. When Aika accepts the dangerous mission of locating and obtaining the mysterious Lagu, she discovers that she's not the only one...